| Back Pocket | The Establishment Brewing Company | American Imperial Stout | 11.9% |
| Back Road Ale | Back Road Brewery | American Pale Ale | 5.0% |
| Back Road American Pale Ale | Back Road Brewery | American Pale Ale | 5.0% |
| Back Road Stout | Millstream Brewing | Oatmeal Stout | 6.7% |
| Back Road Stout (barrel aged) | Millstream Brewing | Oatmeal Stout | |
| Back Roads | Suarez Family Brewery | Saison | 5.6% |
| Back talk | Bearded Iris Brewing | American Pale Ale | 5.0% |
| Back to Basics | Magnify Brewing | | |
| Back To Black | Brouwerij De Ranke | English Porter | 9.5% |
| Back to Black | Cierzo Brewing Co. | American Imperial Stout | |
| Back Yard Party | Hop Butcher for the World | New England IPA | 7.5% |
| Backacre | Backacre Beermakers | | 7.1% |
| Backacre Vintage batch 5 | Backacre Beermakers | | |
| Backcountry Black IPA | Deep River Brewing Company | Black IPA | 7.9% |
| BAckdaFIDYup | Oskar Blues Brewery | American Imperial Stout | 10.0% |